Answer:
7. A- 5√2
9. C- 6√2
Step-by-step explanation:
Let's begin with question 7 asking to simplify √50.
We need to ask ourselves the question if 50 has a factor that is a square. It does!
We can break √50 into √25·2. Since 25 is a square, we can take it out of the radical by taking out its square root like this:
5√2.
For question 9, we can simply do the same exact process. √72 can be broken into a factor that is a perfect square as well!
√72 --> √36·2
Now, take the square root of 36 out of the radical to become:
6√2
Here are your answers!
The value of f·g is the product of f(x) and g(x). This is shown below,
f·g = (3x + 2)(7x +6)
f·g = 21x² + 32x + 12
The domain of the function is the value of x that would make the function reasonable. The domain is all real numbers.
Answer:
cost per minute is 0.04
Step-by-step explanation:
Unit rates defined as the rates are expressed as a quantity of 1 such as 2 feet per second or 5 miles per hour they are called unit rates.
Given: Costs = $ 30 a month
In a month of may she used cellphone 12.5 hours.
First convert 12.5 hours in minute.
Use conversion: 1 hour = 60 minutes
then, 12.5 hours =
to find the cost per minute.
by definition;
unit rate(cost per minute ) = cost per minute.
therefore, her cost per minute is 0.04
Answer:
since your on brainly
go to ask then go to scan text problem
Answer:
X = 1
Step-by-step explanation:
combine 6x and 2x to make 8x
10 + 8x = 18
subtract 10 from both sides
8x = 8
divide both sides by 8
X = 1